Adjective
resounding - Referring to something that is striking, definite, or leaves a strong impression, such as a victory or success.

The season concluded with a resounding victory, with the team winning by a margin so large it left no doubt about their superiority.
negligible - So small or unimportant that it can be ignored or doesn't have a noticeable effect; insignificant in amount, size, or impact — too minor to be worth considering.

The difference in price was negligible, so she bought with the higher-quality option.